Human innovation has transformed the way we live, often for the better. But as our technologies grow more powerful, so do their consequences. This hour, TED speakers explore technology's dark side. Guests include writer and artist James Bridle, historians Yuval Noah Harari and Edward Tenner, internet security strategist Yasmin Green, and journalist Kashmir Hill.

You probably can recite five right now. Commercial jingles are designed to hijack your working memory and implant a product or service and they really work. In this classic episode, learn about the history of these insidious and catchy advertising vehicles with Chuck and Josh.Learn more about advertising on the HowStuffWorks podcasts at www...

Original broadcast date: April 7, 2017. Whether it's asking for a raise or asking for equality, speaking up can be risky — even dangerous. This hour, TED speakers share ideas and stories about taking the crucial step to say something. Guests include activists Esra'a and Dalia Mogahed, climate scientist James Hansen, social psychologist Adam Galinsky, and poet Clint Smith.